Despite being scared of heights, Sheryl Wrighting is looking forward to standing on top of Sydney Harbour Bridge.

She has pledged to conquer her phobia and climb the 141-metre tall centre span of the iconic Australian landmark.

"Going up three rungs on a step ladder is normally enough for me, but I’m determined to complete this challenge, which I’ve set myself for a charitable cause,” said 48-year-old Sheryl.

The idea was suggested to her by step-son Thom, who makes regular visits Down Under and saw adverts inviting people to Walk The Bridge.

"He knows that I raise money for Mary Ann Evans Hospice and that I’m always looking at different ways of doing so,” said Sheryl, who lives in John Street, Nuneaton.

"Four years ago my husband Dave fell ill with cancer and the support we received from the staff at the hospice was fantastic.

"They dealt with everything and after Dave recovered they helped to get our lives back on track.

"Since then, I decided to do whatever I could for the hospice, to repay our gratitude.

"When Dave had his 65th birthday, we asked for donations instead of gifts, which made £650.

"Then, last year, I persuaded a few friends to join me in posing for photographs like the Calendar Girls and, along with proceeds from a charity night and a bingo session at Coton Conservative Club, it’s enabled me to give the hospice a further £4,000.”

Sheryl is now appealing for sponsorship for her assault on Sydney Harbour Bridge, which she will undertake during a forthcoming holiday to Australia with Dave.

"It’s going to be a really exciting trip, although my knees are already wobbling at the thought of what I’ve decided to put myself through. But I suppose it’s all about pushing personal boundaries.

"I’ll be going up the bridge as part of a guided group of 10 and, apparently, it will take us about three-and-a-half hours to reach the top."

To do the climb costs £130, which I’ve already paid, so every penny that people pledge to me will go to the hospice,” added Sheryl, who has set up a webpage to receive donations.